DynamoAttributeValue¶
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class
aws_cdk.aws_stepfunctions_tasks.DynamoAttributeValue(*args, **kwargs)¶ Bases:
objectRepresents the data for an attribute.
Each attribute value is described as a name-value pair. The name is the data type, and the value is the data itself.
Methods
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to_object()¶ Returns the DynamoDB attribute value.
- Return type
Any
Attributes
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attribute_value¶ Represents the data for the attribute.
Data can be i.e. “S”: “Hello”
- Return type
Any
Static Methods
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classmethod
boolean_from_json_path(value)¶ Sets an attribute of type Boolean from state input through Json path.
For example: “BOOL”: true
- Parameters
value (
str) – Json path that specifies state input to be used.- Return type
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classmethod
from_binary(value)¶ Sets an attribute of type Binary.
For example: “B”: “dGhpcyB0ZXh0IGlzIGJhc2U2NC1lbmNvZGVk”
- Parameters
value (
str) – base-64 encoded string.- Return type
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classmethod
from_binary_set(value)¶ Sets an attribute of type Binary Set.
For example: “BS”: [“U3Vubnk=”, “UmFpbnk=”, “U25vd3k=”]
- Parameters
value (
List[str]) –- Return type
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classmethod
from_boolean(value)¶ Sets an attribute of type Boolean.
For example: “BOOL”: true
- Parameters
value (
bool) –- Return type
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classmethod
from_list(value)¶ Sets an attribute of type List.
For example: “L”: [ {“S”: “Cookies”} , {“S”: “Coffee”}, {“N”, “3.14159”}]
- Parameters
value (
List[DynamoAttributeValue]) –- Return type
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classmethod
from_map(value)¶ Sets an attribute of type Map.
For example: “M”: {“Name”: {“S”: “Joe”}, “Age”: {“N”: “35”}}
- Parameters
value (
Mapping[str,DynamoAttributeValue]) –- Return type
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classmethod
from_null(value)¶ Sets an attribute of type Null.
For example: “NULL”: true
- Parameters
value (
bool) –- Return type
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classmethod
from_number(value)¶ Sets a literal number.
For example: 1234 Numbers are sent across the network to DynamoDB as strings, to maximize compatibility across languages and libraries. However, DynamoDB treats them as number type attributes for mathematical operations.
- Parameters
value (
Union[int,float]) –- Return type
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classmethod
from_number_set(value)¶ Sets an attribute of type Number Set.
For example: “NS”: [“42.2”, “-19”, “7.5”, “3.14”] Numbers are sent across the network to DynamoDB as strings, to maximize compatibility across languages and libraries. However, DynamoDB treats them as number type attributes for mathematical operations.
- Parameters
value (
List[Union[int,float]]) –- Return type
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classmethod
from_string(value)¶ Sets an attribute of type String.
For example: “S”: “Hello” Strings may be literal values or as JsonPath.
- Parameters
value (
str) –
Example:
# Example automatically generated without compilation. See https://github.com/aws/jsii/issues/826 "DynamoAttributeValue.fromString(JsonPath.stringAt('$.bar'))"
- Return type
-
classmethod
from_string_set(value)¶ Sets an attribute of type String Set.
For example: “SS”: [“Giraffe”, “Hippo” ,”Zebra”]
- Parameters
value (
List[str]) –- Return type
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classmethod
map_from_json_path(value)¶ Sets an attribute of type Map.
For example: “M”: {“Name”: {“S”: “Joe”}, “Age”: {“N”: “35”}}
- Parameters
value (
str) – Json path that specifies state input to be used.- Return type
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classmethod
number_from_string(value)¶ Sets an attribute of type Number.
For example: “N”: “123.45” Numbers are sent across the network to DynamoDB as strings, to maximize compatibility across languages and libraries. However, DynamoDB treats them as number type attributes for mathematical operations.
Numbers may be expressed as literal strings or as JsonPath
- Parameters
value (
str) –- Return type
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classmethod
number_set_from_strings(value)¶ Sets an attribute of type Number Set.
For example: “NS”: [“42.2”, “-19”, “7.5”, “3.14”] Numbers are sent across the network to DynamoDB as strings, to maximize compatibility across languages and libraries. However, DynamoDB treats them as number type attributes for mathematical operations.
Numbers may be expressed as literal strings or as JsonPath
- Parameters
value (
List[str]) –- Return type
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